What Lumar (formerly Deepcrawl) does

Lumar (formerly Deepcrawl) is a London-based SaaS company, founded in 2010 and operating through UK entity Written Byte Ltd and US entity Deepcrawl, Inc., that provides an enterprise website optimization platform centered on technical SEO, Generative and Answer Engine Optimization (GEO/AEO), Core Web Vitals site speed, and WCAG 2.2 web accessibility analytics. The platform is built around four core applications — Analyze, Monitor, Protect, and Impact — supported by an ultra-fast proprietary crawler capable of processing up to 450 URLs per second at enterprise scale, more than 500 built-in reports, custom data extraction, and CI/CD-integrated QA testing. Recent product extensions include AI-generated developer ticket content and AI-generated code powering fully customizable website analytics dashboards, alongside a dedicated GEO/AEO module that tracks brand mentions and sentiment across AI platforms.\n\nThe company serves digital, SEO, marketing, developer, digital operations, and accessibility teams at enterprises and digital agencies, with named customers spanning insurance (Compare the Market), financial services (Western Financial Group), automotive (Cox Automotive), transportation (Arriva), government/weather (Met Office), entertainment (Fandom), e-commerce (Bulk, Bensons for Beds), iGaming/publishing (Catena Media), and travel (Ice Travel Group). Revenue is generated primarily through annual SaaS subscriptions with custom quote-based enterprise pricing that can auto-renew with up to 6% increases, supplemented by separately purchased professional services engagements and a free tier with limited platform access that feeds a self-serve funnel. Distribution is direct via enterprise field sales, self-serve digital acquisition, and a free API, with G2 Leader recognition (2026) and SOC 2 Type 1 and Type 2 certifications supporting enterprise procurement.

Name

Lumar (formerly Deepcrawl)

Legal name

Written Byte Ltd

Website

https://lumar.io

Company type

Private

Founded year

2010

Operating status

Operating

Headcount range

51–100 employees

Short description

Lumar (formerly Deepcrawl) is a London-based SaaS company providing an enterprise website optimization platform covering technical SEO, GEO/AEO, site speed, and accessibility, built around a proprietary ultra-fast crawler and four apps: Analyze, Monitor, Protect, and Impact.

Ownership category

akta.pro rank

Product category

Website Optimization / Technical SEO Software

NAICS

Software Publishers (513210), Computer Systems Design and Related Services (54151)

SIC

Services-Prepackaged Software (7372), Services-Computer Programming, Data Processing, Etc. (7370)

akta.pro primary industry

Technical SEO (Audits, Crawl/Indexing, Site Architecture) (BPAFAJAA)

Keywords

• Technical SEO software
• Website optimization platform
• Enterprise crawler SaaS
• Generative engine optimization
• Web accessibility compliance

Headquarters

HQ city

London

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Marketing or Sales, Infrastructure, Operations

Revenue model

1. SaaS Subscription: Core revenue stream from cloud-based SaaS platform subscriptions. Access provided via supported web browser under subscription license. Subscriptions auto-renew at end of term with fees potentially increasing up to 6% per renewal. Enterprise accounts may have master subscription agreements with custom terms.
2. Professional Services: Dedicated SEO/GEO professional services team offers hands-on support as an extension of in-house resources. Includes dedicated SEO & AI search support, strategy help, and regular website crawl reviews with monthly engagements. Additional services purchased separately from base subscription.
3. API Access: Free API access provided with proprietary data. API enables access via licensed API Key for developers and advanced users. Company reserves right to modify or terminate free API access.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels11 records

Core offering

Lumar sells a cloud-based SaaS website optimization platform built around four core apps — Analyze, Monitor, Protect, and Impact — supported by an ultra-fast proprietary crawler and an integrated stack of technical SEO, generative/answer engine optimization (GEO/AEO), Core Web Vitals site speed, and WCAG 2.2 accessibility analytics. The platform targets enterprise digital, SEO, and developer teams at large brands, with optional paid professional services engagements and a free API for developer integration.

Product overview

Lumar is a comprehensive website optimization platform (formerly DeepCrawl) offering a unified suite of four core apps: Analyze, Monitor, Protect, and Impact. The platform provides 500+ built-in reports and specializes in SEO, GEO/AEO (Generative Engine Optimization/Answer Engine Optimization), site speed, and web accessibility analytics. Key modules include Technical SEO Metrics, Site Speed Metrics, Web Accessibility Metrics, Custom Website Analytics, GEO Metrics, and an ultra-fast Website Crawler (reaching 450 URLs/s). Additional offerings include Professional Services for expert SEO/GEO guidance and Task Manager for task tracking based on report data. The platform integrates with Google Analytics, Google Search Console, and Majestic for combined data analysis.

Differentiator

Problem solved

Functional benefit

Products and services

• Lumar Analyze Crawl and analyze websites at any scale, identify issues, prioritize fixes, and collaborate with broader web teams using 250+ built-in reports plus custom data extraction.
• Lumar Monitor Monitor changes and trends across core site metrics and track multiple domains in one place, with custom alerts and customizable dashboards for global views.
• Lumar Protect Automate website QA testing to prevent new issues from being introduced to live sites, with custom thresholds that halt builds or warn developers when chosen metrics dip below standards.
• Lumar Impact Demonstrate the impact of website optimization efforts and gain buy-in for new projects by benchmarking sites against industry averages and prioritizing fixes based on commercial impact.
• Lumar Website Crawler Ultra-fast and flexible site crawling technology built for enterprise-scale websites, capable of processing up to 450 URLs per second and scaling to millions of URLs at configurable speeds.
• GEO / AEO Metrics Dedicated Generative Engine Optimization (GEO) and Answer Engine Optimization (AEO) analytics that track and optimize brand visibility in AI search platforms, with modules for AI Discovery, AI Understanding, and AI Inclusion.
• Technical SEO Metrics Uncover and resolve technical issues impacting organic search performance with hundreds of built-in technical SEO reports and custom extractions covering crawlability, renderability, indexability, structured data, and bot behavior.
• Site Speed Metrics Actionable insights to improve website speed and performance, including Core Web Vitals optimization, Lighthouse reporting built for scale, and origin-level CrUX field data.
• Web Accessibility Metrics Find and resolve accessibility and WCAG compliance issues (aligned to WCAG 2.2 Levels A-AAA), with instant suggested fixes for all accessibility issues uncovered.
• Custom Website Analytics Build fully customized website analytics and tailored dashboards using AI-generated code to simplify data collection and report on practically any website data.
• SEO Professional Services Expert SEO and GEO guidance delivered via bespoke monthly engagements, with Lumar's professional services team acting as an extension of in-house resources for strategy support and regular crawl reviews.
• Task Manager Schedule and assign tasks based on real report data across SEO, site speed, and accessibility, with notifications triggered as new crawls complete.

Quantifiable outcome

• +50% increase in digital conversion and +10% increase in search engine visibility
• +5 more outcomes

Named customers12 records

Segments9 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

AI capability7 records

Feature11 records

Scale indicators5 records

Recent moves7 records

Expansion highlights6 records

Broad incumbents

• Conductor: Conductor is an enterprise SEO and content intelligence platform serving large organizations. It competes with Lumar in enterprise organic search analytics and stakeholder reporting, though it positions more heavily around content workflow.
• BrightEdge: BrightEdge is an enterprise SEO and content performance platform used by large brands and agencies. It overlaps with Lumar in enterprise SEO reporting and content optimization, but offers a broader portfolio that includes content marketing and competitive intelligence.

Direct peers

• Ahrefs: Ahrefs is a leading SEO toolset focused on backlink analysis, keyword research, content exploration, and site auditing. Its Site Audit product directly competes with Lumar Analyze in technical SEO crawling and reporting.
• ContentKing: ContentKing is a real-time SEO auditing and monitoring platform that tracks website changes and SEO issues continuously. It competes directly with Lumar Monitor in the website change detection and alerting category.
• Oncrawl: Oncrawl is a technical SEO platform offering crawl analysis, log analytics, and SEO monitoring for enterprise websites. It is a direct comparable in technical SEO reporting and data-driven site health workflows.
• Sitebulb: Sitebulb is a desktop and cloud technical SEO auditing tool with crawl analysis, reporting, and visualization features. It serves a similar technical SEO audience as Lumar with comparable crawl-driven audit workflows.
• Semrush: Semrush is the largest full-stack SEO and digital marketing platform, offering technical site audits, keyword research, backlink analysis, and content optimization. It competes head-to-head with Lumar across enterprise SEO audit, monitoring, and reporting workflows.
• seoClarity: seoClarity is an enterprise SEO platform offering technical audits, rank tracking, content optimization, and analytics. It targets the same enterprise digital teams as Lumar with comparable scale-oriented SEO tooling.
• Screaming Frog: Screaming Frog SEO Spider is a desktop-based website crawler widely used for technical SEO audits. It overlaps with Lumar's core Analyze product, particularly among technical SEO practitioners, though Lumar differentiates on enterprise scale and SaaS delivery.
• Botify: Botify is an enterprise SEO platform covering crawling, log file analysis, indexing, and performance monitoring. It targets the same enterprise customer profile as Lumar and competes directly in large-scale technical SEO analytics.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/lumarhq
• Xx.com/lumarhq
• Facebookfacebook.com/lumarhq

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles13 records

Funding overview

Funding rounds6 records

Investors5 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Lumar (formerly Deepcrawl)